Home/CVE/An out-of-bounds read in IPsec of Ivanti Connect Secure before version 22.7R2.1 allows a remote unauthenticated attacker
CVE

CVE-2024-37401

An out-of-bounds read in IPsec of Ivanti Connect Secure before version 22.7R2.1 allows a remote unauthenticated attacker

An out-of-bounds read in IPsec of Ivanti Connect Secure before version 22.7R2.1 allows a remote unauthenticated attacker to cause a denial of service.

HIGH · CVSS 7.5 EPSS 0.0766
Schedule remediation
  • EPSS percentile: top 8% of all CVEs by exploitation likelihood
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-125Out-of-bounds Read
▤

Affected Products & Versions

4
ivanti connect secure< 22.7
ivanti connect secureall versions
ivanti policy secure< 22.7
ivanti policy secureall versions
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.0 · support@hackerone.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD12 Dec 2024 · 01:55 AM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://forums.ivanti.com/s/article/December-2024-Security-Advisory-Ivanti-Connect-Secure-ICS-and-Ivanti-Policy-Secure-IPS-Multiple-CVEsVendor Advisory
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